Question

*Number of moles of Cl, in 7.1 gm Cl, is :
i) 0.01
ii) 0.1
iii) 0.05
iv) 0.5

*Maximum number of electrons in orbit having n=3 is :
i) 2
ii) 8
iii) 18
iv) 32

*Which of the following has smallest size?
i) Nat
ii) Mg2+
iii)Al3+
iv) O--

*The radioactive alkali metal is :
i) Cs
ii) Fr
iii) Rb
iv) All of these

*The number of secondary carbon atoms in the following compound
(CH), CH.CH.CH(CH),:
[
i) 2
ii) 3
iii) 1
iv) 4

*In Ni(CO)ą, oxidation number of Ni is :
a) o
b) +2
c) +4
d) -4​

Answer 1

Answer:

Abe of dak a sur turn to Mar gays tha