1
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The number of atoms in body centred and face centred cubic unit cell respectively are

A
2 and 4
B
4 and 3
C
1 and 2
D
4 and 6
2
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The number of unpaired electron in Mn2+ ion is

A
2
B
3
C
5
D
6
3
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The average speed of H2 at T1K is equal to that of O2 at T2K. The ratio T1 : T2 is

A
1 : 16
B
16 : 1
C
1 : 4
D
1 : 1
4
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
Change Language

Sodium nitroprusside is :

A
$$N{a_4}[Fe{(CN)_5}N{O_2}]$$
B
$$N{a_2}[Fe{(CN)_5}NO]$$
C
$$N{a_3}[Fe{(CN)_5}NO]$$
D
$$N{a_4}[Fe{(CN)_5}N{O_3}]$$
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