AIEEE Exam

Which of the following would be diamagnetic ?
(A) Cu2+ (B) Ni2+ (C) Cd2+ (D) Ti3+

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AIEEE Other Question

Which of the following substances gives
dinitrogen on heating –
(A) HNO3 (B) (NH4)2Cr2O7
(C) NH4Cl (D) All of them The reaction
CH2 = CH2 + Br2 → CH2Br – CH2Br provides
an example of a/an
(A) Electrophilic addition
(B) Electrophilic substitution
(C) Nucleophilic addition
(D) Nucleophilic substitution