Q41. Given below are two statements : Statement I : $\quad \mathrm { PF } _ { 5 }$ and $\mathrm { BrF } _ { 5 }$ both exhibit $\mathrm { sp } ^ { 3 } \mathrm {~d}$ hybridisation. Statement II : Both $\mathrm { SF } _ { 6 }$ and $\left[ \mathrm { Co } \left( \mathrm { NH } _ { 3 } \right) _ { 6 } \right] ^ { 3 + }$ exhibit $\mathrm { sp } ^ { 3 } \mathrm {~d} ^ { 2 }$ hybridisation. In the light of the above statements, choose the correct answer from the options given below :\\
(1) Statement I is true but Statement II is false\\
(2) Statement I is false but Statement II is true\\
(3) Both Statement I and Statement II are true\\
(4) Both Statement I and Statement II are false
Q42.\\
List - I\\
List - II\\
Reaction\\
Type of redox reaction\\
(A) $\mathrm { TiCl } _ { 4 }$\\
(I) $\mathrm { e } ^ { 2 } , \mathrm { t } _ { 2 } ^ { 0 }$
Match List - I with List - II.\\
(B) $\left[ \mathrm { FeO } _ { 4 } \right] ^ { 2 - }$\\
(II) $e ^ { 4 } , t _ { 2 } ^ { 3 }$\\
(III) $e ^ { 0 } , t _ { 2 } ^ { 0 }$\\
(IV) $\mathrm { e } ^ { 2 } , \mathrm { t } _ { 2 } ^ { 3 }$\\
(C) $\left[ \mathrm { FeCl } _ { 4 } \right] ^ { - }$\\
(D) $\left[ \mathrm { CoCl } _ { 4 } \right] ^ { 2 - }$
Choose the correct answer from the\\
options given below :\\
(1) (A)-(III), (B)-(IV), (C)-(II), (D)-(I)\\
(2) (A)-(IV), (B)-(III), (C)-(I), (D)-(II)\\
(3) (A)-(III), (B)-(I), (C)-(IV), (D)-(II)\\
(4) (A)-(I), (B)-(III), (C)-(IV), (D)-(II)
Q43.\\
\includegraphics[alt={}]{smile-b6e17716f56b5532e639b86fa20c2175d14c0e33}
(I)\\
\includegraphics[alt={}]{smile-e1a67ba429ca91ef014f704edb88557013b7377a}
(II)\\
\includegraphics[alt={}]{smile-b17824bfb0dbb29426d1fb55f05f09aa627ba042}
(III)\\
\includegraphics[alt={}]{smile-c94f4ab7c5c2d39916b2b61f4166cafffd6c9247}
(IV)
The correct arrangement for decreasing order of electrophilic substitution for above compounds is :\\
(1) (III) $>$ (I) $>$ (II) $>$ (IV)\\
(2) (IV) $>$ (I) $>$ (II) $>$ (III)\\
(3) (III) $>$ (IV) $>$ (II) $>$ (I)\\
(4) (II) $>$ (IV) $>$ (III) $>$ (I)