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Q: 2: Draw the structure of the starting materials and reagents (A, B, C) needed to prepare the given p...

A: In the given problem we have to perform the reaction with carbonyl complexes and Grignard's reagent....

Q: MCQ 27: Non-polar alkanes do not react with A. polar compounds only B. water only C. base D. polar c...

A: Non polar alkanes 

Q: MCQ 29: Specific radioactive isotopes are used for A. leakage check B. check thyroid activity C. tre...

A: We have to tell which option is correct

Q: MCQ 32: The atom of aluminum (Al) has the number of neutrons (n") A. 13 В. 27 C. 14 D. 13

A: Given the atom of aluminum (Al) we are asked to calculate the number of neutrons in aluminum atom.

Q: title = q9a12 Which half reactions in the table below could be added together appropriately to get t...

A: The hydrogen fuel cell is majorly used in space applications. These kinds of cells are oxidized elec...

Q: MCQ 121: With an increasing atomic number of Halogens, the A. Van der Waals forces decrease B. atomi...

A: The given options are,

Q: MCQ 1: The smallest particle of an element which can take part in any chemical change is known as a/...

A: In any chemical reaction or chemical change atoms participate in a chemical reaction.  Since nucleus...

Q: MCQ 1: Diamond fom of Carbon does not conduct electricity due to the absence of A. spectators electr...

A: Allotropes are various structural forms of the same element and can show considerably different phys...

Q: Identify the five electron domain geometries. Determine the molecular geometries that can be derived...

A: Given: Five Electron domain geometries

Q: MCQ 170: Metal oxide that turns into cement upon roasting with clay is

A: In metallurgy, roasting is defined as  a process which converts a metal sulfide into a free metal or...

Q: MCQ 4: During electrolysis, the mass of a substance produced is proportional to A. time of constant ...

A: As by the formula  m = (I.t.E)/96500 where I = strength of current  t= time ; E = equivalent mass  9...

Q: MCQ 141: A sigma bond (a-bond) is formed when A. p-orbital overlaps with another p-orbital B. s-orbi...

A: A sigma bond (σ bond) is formed by the overlapping of s−s, s−p or p−p , d-d , d-f orbital along inte...

Q: MCQ 108: The highly reactive clement which can burn glass, metals, and water in a stream of gas is e...

A: Given statement is  The highly reactive element which can burn glass, metals, and water in a stream ...

Q: MCQ 4: Alkane molecules are not attacked by electrophiles or neutrophils because they are A. polar B...

A: It is so because electronegativity difference between carbon carbon is zero ,they are non polar .

Q: The reaction of 1,3-cyclohexadiene with HCl should give O a. only one product, because the kinetic a...

A: The question is based on the concept of electrophilic addition of hydrogen halide across double Bond...

Q: MCQ 99: The highest melting point in Group-II elements is of A. Be B. Ba C. Ca D. Mg

A: * Group ll are alkaline earth metal  * As we move down the group  atomic radius increases, hence eff...

Q: Due to the presenc nsaturated aturatec olar on.nolar

A: Alkene is hydrocarbon which have carbon and hydrogen

Q: MCQ 1: Friedrich August Kekule's structure of benzene' was the inspiration of a A. chemist B. nature...

A: Ans The most important famous work  of the Kekule's was discovery of the "benzene"  He suggested the...

Q: MCQ 28: Hydrogen has a number of isotopes A. 2 В. 1 C. 3 D. 11

A: No of hydrogen of isotopes:- isotope:-  isotope can be defined as the various chemical elements that...

Q: ICQ 23: Amino acids that is secondary among these is A. Ala B. Pro C. Gln D. Try

A: Welcome to bartleby !

Q: MCQ 77: The bond energy of C-O bond is A. 350 kJ/mol B. 610kJ/mol C. 360kJ/mol D. 740kJ/mol

A:

Q: MCQ 14: The number of proton, neutron and electron in sulfide ion is respectively A. 16,17 and 18 B....

A: Sulfide ion is S2- Atomic number of Sulfur S = 16  Therefore number of protons = atomic number = 16 ...

Q: MCQ 48: While reacting with metals, halogens get A. oxidized B. reduced C. deoxidized D. neutralized

A: B) reduced  

Q: The molar heat of vaporization of some unknown compound X at its normal boiling point 6.7 K is 4.4 k...

A: Given molar heat of vaporization (△Hvap)=4.4 kcal/mol =4400 cal mol-1 Temperature =6.7 K, Pressure =...

Q: MCQ 15: Non-stick lining of a sauce pan is due to halogen-polymer named as A. poly(ethene) B. poly(t...

A: Teflon is the chemical found in some brands of saucepans that helps to prevent your meal from sticki...

Q: MCQ 26: Protons are deflected from anode which reveals their A. positive charge B. negative charge C...

A: Protons are deflected from anode which reveal their positive charge.  

Q: MCQ 107: CaCl, is an example of A. Ionic bond B. Covalent bond C. Metallic bond D. Dative bond

A: Description of bonds: 1. Ionic bond - A bond formed between the atoms of metal and non-metal. 2. Cov...

Q: MCQ 40: The color of lodine (1) is A. grey B. black (s) C. purple (vapors) D. all of above

A: Iodine is element in the periodic table having elemental symbol I and atomic number 53 and belongs t...

Q: MCQ 30: An estimated amount of 10,000 ethene monomers bond together to make polymer chain of A. poly...

A: Polymerization: It is a process in which relatively small molecules called monomer combine chemicall...

Q: MCQ 10: The number of positive ions balances the number of negative charges so as to neutralize the ...

A: 1) We know that for a neutral compound number of positive charges is equal to number of negative cha...

Q: MCQ 25: Fireworks release energy in the form of A. heat B. light C. sound D. all of above

A: We know that,. Firework happen then three phenomena appear, 1)Heat 2)Light 3)Sound

Q: MCQ 103: Concrete sets when arranged with iron rods passes through it, improves A. strength B. style...

A: The question is based on concept of general chemistry. we need to indicate the importance of passing...

Q: MCQ 83: The shape of water molecule is A. linear B. non-linear V shape C. trigonal D. tetrahedral

A: Shape of water molecule is 

Q: MCQ 33: The electronegativity of lodine (I,) is А. 3.04 В. 3.55 C. 2.2 D. 2.66

A: We know that, Iodine is electronegative element.

Q: Upon oxidation, calcium (Ca) compounds give

A: The answer is option ( A) Brick red color 

Q: pon or carbonate hydrogen carbonate ions are cl

A: Oxides of carbons is CO, CO2, HCO3^- , CO3^2- ion etc these are inorganic compounds because these ox...

Q: explain why homolysis of the O-H bond in phenol requires considerably less energy than homolysis of ...

A: a) O-H bond in phenol is more polar as compared to O-H bond in ethanol. This is because the phenoxid...

Q: MCQ 32: The atom of aluminum (Al) has the number of neutrons (n') A. 13 В. 27 C. 14 D. 13

A: No of neutrons = Atomic mass - atomic number 

Q: Question 6 The molar heat of vaporization of some unknown compound X at its normal boiling point 6.7...

A:

Q: MCQ 14: The shape of s-orbital is A. tetrahedral B. octagonal C. spherical D. round

A: An orbital can be defined as the space around the nucleus where the probability of finding an electr...

Q: MCQ 143: The lower boiling point of 2,2 dimethyl propane can be attributed to A. number of electrons...

A:   isomer of pentane show different boiling point  n-pentane B.P. =36°C 2,2 dimethyl propane B.P. = 6...

Q: Arrange the molecules according to where you would expect to find their wavelength of maximum absorp...

A:

Q: MCQ 6: Compound that has the oxidation state of +2 is A. Tin(I) oxide SnO B. Tin(IV) oxide SnO, C. L...

A: Given compound, Oxygen have -2 Oxidation State and in this question we have to find the different di...

Q: 7 A patient receives 2,000 mL of a glucose solution that contains 5 g of glucose in 100 mL. How many...

A: To relate the number of mL of a glucose solution to the number of Calories of energy contained in it...

Q: MCQ 79: When a covalent bond is formed between hydrogen and a very electronegative atom, then the bo...

A: When a covalent bond is formed between hydrogen and a very electronegative atom , then the bond is h...

Q: MCQ 118: In the Periodic table, the Alkaline earth metals are found in A. Period II B. Period III C....

A: Ans C) group 11

Q: How much is the pKa for ammonium in 21.9 degree celsius?

A: The pka for ammonium in 21.9 degree celsius is 9.3.

Q: C. medium d. slow Question 6 The molar heat of vaporization of some unknown compound X at its normal...

A:

Q: QUESTION 5 If Kc-3.77 for the reaction: 1/2 H 2(8) + 1/2 Br 2(g)= HBr( g)? what is the value of Ke f...

A: The ratio of the concentration of products upon the concentration of reactants at equilibrium is cal...

Q: MCQ 37: HCIO is known as A. chloric acid B. Chlorine C. bacteria killer D. water

A: HClO is an oxyacid of chlorine also known as hypochlorous acid. The oxidation state of the chlorine ...

Sulfur Functional Groups

Many organic molecules contain sulfur functional groups and have their own importance in chemistry as well as biology. Some of the organic molecules which contain sulfur functional groups and the corresponding sulfur functionality is given below: