MCQ
Which one of the following is an outer orbital complex and exhibits paramagnetic behavior
- ✓$[Ni(NH_3)_6]^{2+}$
- B$[Zn(NH_3)_6]^{2+}$
- C$[Cr(NH_3)_6]^{3+}$
- D$[Co(NH_3)_6]^{3+}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Statement $I :$ The nucleophilic addition of sodium hydrogen sulphite to an aldehyde or a ketone involves proton transfer to form a stable ion.
Statement $II :$ The nucleophilic addition of hydrogen cyanide to an aldehyde or a ketone yields amine as final product.
In the light of the above statements, choose the most appropriate answer from the options given below :
$(A)$ Glucose $(B)$ Gulose
$(C)$ Fructose $(D)$ Maltose
$(E)$ Mannose

$C{H_3}COOH + PC{l_5} \to A\mathop {\xrightarrow{{{C_6}{H_6}}}}\limits_{anh.\,AlC{l_3}} $ $B\mathop {\xrightarrow{{{C_2}{H_5}MgBr}}}\limits_{ether} C$