Which has maximum number of molecules among the following ? (a) 44 g of CO2 (c) 8 g of H2 (b) 48 g of O3 (d) 64 g of SO2 • When 22-4 litres of H2(g) is mixed with 11-2 litres of Cl2 (9), each at S.T.P, the moles of HCI (g) formed is equal to : (a) 0-5 mol of HCI (g) (b) 1-5 mol of HCı (g) (c) 1-0 mol of HCI (g) (d) 2-0 mol of HCI (g). b. The pair of ions having same electronic configuration i : (a) Crt, Fe3+ (c) Fe3+, Co3+ (b) Fe3+, Mn2+ (d) Sc3+, Cr3+
Which has maximum number of molecules among the following ? (a) 44 g of CO2 (c) 8 g of H2 (b) 48 g of O3 (d) 64 g of SO2 • When 22-4 litres of H2(g) is mixed with 11-2 litres of Cl2 (9), each at S.T.P, the moles of HCI (g) formed is equal to : (a) 0-5 mol of HCI (g) (b) 1-5 mol of HCı (g) (c) 1-0 mol of HCI (g) (d) 2-0 mol of HCI (g). b. The pair of ions having same electronic configuration i : (a) Crt, Fe3+ (c) Fe3+, Co3+ (b) Fe3+, Mn2+ (d) Sc3+, Cr3+
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
Problem 107GQ: A Boron and hydrogen form an extensive family of compounds, and the diagram below shows how they are...
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Transcribed Image Text:Which has maximum number of molecules among the
following ?
(a) 44 g of CO2
(c) 8 g of H2
(b) 48 g of O3
(d) 64 g of SÓ2
O d
When 22-4 litres of H2(g) is mixed with 11-2 litres of Cl2 (g),
each at S.T.P, the moles of HCI (g) formed is equal to :
(a) 0-5 mol of HCI (g) (b) 1-5 mol of HCI (g)
(c) 1-0 mol of HCI (g) (d) 2-0 mol of HCI (g).
The pair of ions having same electronic configuration
is :
(a) Cr3+, Fe3+
(c) Fe3+; Co3+
(b) Fe3+, Mn2+
(d) Sc3+, Cr3+
d.
* For the electrons of oxygen atom, which of the following
statements is correct ?
(a) Zeff for an electron in a 2s orbital is the same as
Zeff for an electron in a 2p orbital.
(b) An electron in the 2s orbital has the same energy
as an electron in the 2p orbital.
(c) Zett for an electron in 1s orbital is the same as Zeft
* for an electron in a 2s orbital.
(d) The two electrons present in the 2s orbital have
spin quantum numbers mg but of opposite sign.
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