MCQ
Incorrect statement regarding $N(SiH_3)_3$ is
- AIt is associated with two type of hybridization of central atoms
- BIt is planar compound as a whole
- ✓$N-Si$ bond length is less than single bond
- DIt is weaker base than $NH_3$
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The time taken for $A$ to become $1 / 4^{\text {th }}$ of its inital concentration is twice the time taken to become $1 / 2$ of the same. Also, when the change of concentration of $B$ is plotted against time, the resulting graph gives a straight line with a negative slope and a positive intercept on the concentration axis. The overall order of the reaction is . . . . .

$2MnO_4^ - + 5{C_2}O_4^ - + 16{H^ + } \to 2M{n^{ + + }} + 10C{O_2} + 8{H_2}O$
Here $20\, mL$ of $0.1\, M\, KMnO_4$ is equivalent to