A given metal crystallizes out with a cubic structure
having edge length of 361 pm. If there are four
metal atoms in one unit cell, what is the radius of
one atom?

Magnetic moment 2.84 B.M. is given by :-

(At. nos, Ni = 28, Ti = 22, Cr = 24, Co = 27)

The electrolytic reduction of nitrobenzene in strongly
acidic medium produces :-

Which of the following options represents the correct
bond order ?

An organic compound 'X' having molecular formula
C₅H_10O yields phenyl hydrazone and gives negative
response to the Iodoform test and Tollen's test. It
produces n-pentane on reduction. 'X' could be :-