(D) The two solutions have the same pH valuc. () CheCl te (B). C+ aq Ca) ICL 2 Clae (DJ Clz) Which one of the following is a TRUE statement on buffer solutions? (A). 9. The concentration (mol dm) of the original (undiluted) sodium carbonate solution is (A) 0.02 x 28 [B] 0.05 x 28 x 250 (C) 0.05 x 28 x10 [D] 0.25 x 14 What is the systematie name for the following compound? CH,-CH2 CH CH2-C-CH2-CH3 H3C Cke) Cl8) 1 4. 10. The pH changes slightly on addition of small quantities of strong acid or strong base [B). The pH remains unchanged on addition of smallquantities of strong acid or strong base. [C). The pH increases on addition of an acid. (D) The pH decreases on addition of an acid. 5. Which one of the following motecules will exhibit optical isomerism? IA) CH:CII,CH-CHCH 1B) CH;CH;CH-CH: (C). (Cr(NH;)]" (DJ. CH;CH,CH(CH))COOH 6. Identify the carboxylic acid and alcohol trom which the following ester swas synthestzed. JAI 3-methylheptan-5-one IB] 5-ethylhexan-3-one (CJ 5-methylheptan-3-one 2-ethylhexan-4 one A racemic mixture is 11. of two An equimolar mixture stereoisoniers [B). proportion A pair of enantiomers mised in equal An equimolar nixture of two optically (CI. active conpounds. %3D CH2 CH; C CH3 CH2 [A). CHICO:H and CH,CH,O [B]. CH,CO.H and CH,CH,CH,OH (C). CH CH;COl and CIH CH:OH IDJ. CH CH.CO.H and C1.CH CH2OH Questions 7-9 are on the procedure belovw. it an experiment. 25cm' of aqueous sdium carbonate (Na;CO) were diluted with water to 250 cm in a volumetric flask, In a titration using a suitable indicator, 25 cm' of the diluted solotion required 28 cm of 0.05 mol dm suiphuric acid [D). Questions 12-14 concern the following bond types: A mixture of any two optical isomers. ionic bond IBJ. |CJ. dative covalent bond with single covalent bond metallic bond ID). covalent bond with r-bund 12. The bonding in thhe alloy hrass (A] [B] [C] (D) 13. The bonds in buta-1,3-diene (A] (B] (C) [DI 14. The bond in a substance with a high lattice energy [A] [B] [C] [D) Question 15-24 Directives: For cach of the following questions, one or more of the answers given is (are) correct. Decide whichi of the answers is (are) correct. Then choose (H,SO.) at the end point. The pH value of the 0.05 mol dm" sulphuric acid is most likely to be [AJ 0.05 [B] 0.5 [C) I (D] 2 7. 8. A true statenent about the two carbonate solutions could be [A]. Only the diluted solution is hydrolyzed The rwo solutions have the same
(D) The two solutions have the same pH valuc. () CheCl te (B). C+ aq Ca) ICL 2 Clae (DJ Clz) Which one of the following is a TRUE statement on buffer solutions? (A). 9. The concentration (mol dm) of the original (undiluted) sodium carbonate solution is (A) 0.02 x 28 [B] 0.05 x 28 x 250 (C) 0.05 x 28 x10 [D] 0.25 x 14 What is the systematie name for the following compound? CH,-CH2 CH CH2-C-CH2-CH3 H3C Cke) Cl8) 1 4. 10. The pH changes slightly on addition of small quantities of strong acid or strong base [B). The pH remains unchanged on addition of smallquantities of strong acid or strong base. [C). The pH increases on addition of an acid. (D) The pH decreases on addition of an acid. 5. Which one of the following motecules will exhibit optical isomerism? IA) CH:CII,CH-CHCH 1B) CH;CH;CH-CH: (C). (Cr(NH;)]" (DJ. CH;CH,CH(CH))COOH 6. Identify the carboxylic acid and alcohol trom which the following ester swas synthestzed. JAI 3-methylheptan-5-one IB] 5-ethylhexan-3-one (CJ 5-methylheptan-3-one 2-ethylhexan-4 one A racemic mixture is 11. of two An equimolar mixture stereoisoniers [B). proportion A pair of enantiomers mised in equal An equimolar nixture of two optically (CI. active conpounds. %3D CH2 CH; C CH3 CH2 [A). CHICO:H and CH,CH,O [B]. CH,CO.H and CH,CH,CH,OH (C). CH CH;COl and CIH CH:OH IDJ. CH CH.CO.H and C1.CH CH2OH Questions 7-9 are on the procedure belovw. it an experiment. 25cm' of aqueous sdium carbonate (Na;CO) were diluted with water to 250 cm in a volumetric flask, In a titration using a suitable indicator, 25 cm' of the diluted solotion required 28 cm of 0.05 mol dm suiphuric acid [D). Questions 12-14 concern the following bond types: A mixture of any two optical isomers. ionic bond IBJ. |CJ. dative covalent bond with single covalent bond metallic bond ID). covalent bond with r-bund 12. The bonding in thhe alloy hrass (A] [B] [C] (D) 13. The bonds in buta-1,3-diene (A] (B] (C) [DI 14. The bond in a substance with a high lattice energy [A] [B] [C] [D) Question 15-24 Directives: For cach of the following questions, one or more of the answers given is (are) correct. Decide whichi of the answers is (are) correct. Then choose (H,SO.) at the end point. The pH value of the 0.05 mol dm" sulphuric acid is most likely to be [AJ 0.05 [B] 0.5 [C) I (D] 2 7. 8. A true statenent about the two carbonate solutions could be [A]. Only the diluted solution is hydrolyzed The rwo solutions have the same
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 11E: The Handbook of Chemistry and Physics (http://openstaxcollege.org/l/16Handbook) gives solubilities...
Related questions
Question
Answer Q8, 9, 10
![la)
The two solutions have the same p
[A]
Cle - C te
[B).
The concentration (mol dm) of the
original (undiluted) sodium carbonate solution is
(A) 0.02 x 28 [B] 0.05 x 28 x 250
(C) 0.05 x 28 x10 [D] 0.25 x 14
What is the systematic name for the
following compound?
CH;-CH2
CH-CH2-C-CH2-CH3
H3C
3-methylheptan-5-one
value.
C + aq - C)
2 Clae + Clp)
[D.
9.
Clz0) - Cl8)
Which one of the following is a TRUE
4.
statement on buffer solutions?
[A].
small quantities of strong acid or strong base
The
10.
The pH changes slightly on addition of
[B).
of small-quantities of strong acid or strong base.
[C).
{D)
pH
remains unchanged on addition
The pH increases on addition of an acid
The pH decreases on addition of an acid.
Which one of the following motecules
[A]
S-ethylhexan-3-one
5-methylheptan-3-one
2-ethylhexan-4-one
A racemic mixture is
5.
will exhibit optical isomerism?
CH:CH,CH-CHICH,
CH;CH;CH-CHs
[D]
1.
of
two
mixture
[C).
[DJ.
An
equimolar
CH,CH-CH(CH)COOH
Identify the carboxylic acid and alcohol
trom which the following ester seas synthesizcd.
stereoisoniers
[B).
proportion
6.
A pair of enantiomers mixed in equal
An equimolar mixture of two uptically
CH2
CH
active compounds
CH3
CH2
[D).
A mixture of any two optical isomers.
Questions 12-14 concern the following bond
CH,CO:H and CH,CH,OH
CH,CO:H and CH,CH,CH2OH
CH,CH,COland CI1: CH:OH
CH;CH CO,H and Cl.CH;CHO1
[A].
[B].
types:
JAJ.
[BỊ.
ionic bond
metallic bond
dative covalent bond with single
ID).
Questions 7-9 are on the procedure below.
covalent bond
covalent bod with r-bund
The bonding in tlhe alloy hrass
(A]|B] [C] [D]
The bonds in buta-1,3-diene
25cm of aquenus sodium
ia an
carbonate (Na,CO) were diluted with water to
250 cm in a volumetric flask. In a titration using
a suitable indicator, 25 cm' of the diluted solution
required 28 cm' of 0.05 mol dm sulphuric acid
(H.SO) at the end point.
experinent
12.
13.
[A] [B] [C] [D]
The bond in a substance with a high
14.
The pH value of the 0.05 mol dm
lattice energy
[A] [B] [C] [D)
Question 15-24
Directives: For cach of the following questions,
one or more of the answers given is (are) correct
Decide which of the answers is (are) correct.
7.
sulphuric acid is most likely to be
[AJ 0.05 [B] 0.5 [C) I (DJ 2
A true statement about the two carbonate
8.
solutions could be
[A].
TRI
Only the diluted solution is hydrolyzed
The rwo solutions have the same
Then choose
concemauUn
B.
[C).
number of moles of sodium carbonate
The two solutions contain the same
If 1,2, only are correct
If 2,3, only are correct
C.
19](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a6d9c67-6f13-49d2-ac4d-2d996f90a88b%2F9424272e-4792-40df-84e9-698ef8ab3f8a%2F8pfnfg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:la)
The two solutions have the same p
[A]
Cle - C te
[B).
The concentration (mol dm) of the
original (undiluted) sodium carbonate solution is
(A) 0.02 x 28 [B] 0.05 x 28 x 250
(C) 0.05 x 28 x10 [D] 0.25 x 14
What is the systematic name for the
following compound?
CH;-CH2
CH-CH2-C-CH2-CH3
H3C
3-methylheptan-5-one
value.
C + aq - C)
2 Clae + Clp)
[D.
9.
Clz0) - Cl8)
Which one of the following is a TRUE
4.
statement on buffer solutions?
[A].
small quantities of strong acid or strong base
The
10.
The pH changes slightly on addition of
[B).
of small-quantities of strong acid or strong base.
[C).
{D)
pH
remains unchanged on addition
The pH increases on addition of an acid
The pH decreases on addition of an acid.
Which one of the following motecules
[A]
S-ethylhexan-3-one
5-methylheptan-3-one
2-ethylhexan-4-one
A racemic mixture is
5.
will exhibit optical isomerism?
CH:CH,CH-CHICH,
CH;CH;CH-CHs
[D]
1.
of
two
mixture
[C).
[DJ.
An
equimolar
CH,CH-CH(CH)COOH
Identify the carboxylic acid and alcohol
trom which the following ester seas synthesizcd.
stereoisoniers
[B).
proportion
6.
A pair of enantiomers mixed in equal
An equimolar mixture of two uptically
CH2
CH
active compounds
CH3
CH2
[D).
A mixture of any two optical isomers.
Questions 12-14 concern the following bond
CH,CO:H and CH,CH,OH
CH,CO:H and CH,CH,CH2OH
CH,CH,COland CI1: CH:OH
CH;CH CO,H and Cl.CH;CHO1
[A].
[B].
types:
JAJ.
[BỊ.
ionic bond
metallic bond
dative covalent bond with single
ID).
Questions 7-9 are on the procedure below.
covalent bond
covalent bod with r-bund
The bonding in tlhe alloy hrass
(A]|B] [C] [D]
The bonds in buta-1,3-diene
25cm of aquenus sodium
ia an
carbonate (Na,CO) were diluted with water to
250 cm in a volumetric flask. In a titration using
a suitable indicator, 25 cm' of the diluted solution
required 28 cm' of 0.05 mol dm sulphuric acid
(H.SO) at the end point.
experinent
12.
13.
[A] [B] [C] [D]
The bond in a substance with a high
14.
The pH value of the 0.05 mol dm
lattice energy
[A] [B] [C] [D)
Question 15-24
Directives: For cach of the following questions,
one or more of the answers given is (are) correct
Decide which of the answers is (are) correct.
7.
sulphuric acid is most likely to be
[AJ 0.05 [B] 0.5 [C) I (DJ 2
A true statement about the two carbonate
8.
solutions could be
[A].
TRI
Only the diluted solution is hydrolyzed
The rwo solutions have the same
Then choose
concemauUn
B.
[C).
number of moles of sodium carbonate
The two solutions contain the same
If 1,2, only are correct
If 2,3, only are correct
C.
19
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