Match the matrix. Column-I Column-II A0.2 mole H3BO3+ 0.1 mole NaOH(aq.)→ PResulting product contain H3BO3 BNa2B4O7(s)+H2O→solutionQAlkaline solution CK3BO3 (limiting reagent) +H2SO4→ R[B(OH)4]−in solutionDB2H6+H2O(excess)→SVolatile product TBuffer solution

(A) 4H3BO3+2NaOH→7H2O+Na2B4O7 (B) Na2B4O7+H2O→H3BO3+NaOH(C) K3BO3+H2SO4→K2SO4+H3BO3(D) B2H6+6H2O(excess)→2H3BO3+6H2↑

Match the matrix. Column-I Column-II A0.2 mole H3BO3+ 0.1 mole NaOH(aq.)→ PResulting product contain H3BO3 BNa2B4O7(s)+H2O→solutionQAlkaline solution CK3BO3 (limiting reagent) +H2SO4→ R[B(OH)4]−in solutionDB2H6+H2O(excess)→SVolatile product TBuffer solution

(A) 4H3BO3+2NaOH→7H2O+Na2B4O7 (B) Na2B4O7+H2O→H3BO3+NaOH(C) K3BO3+H2SO4→K2SO4+H3BO3(D) B2H6+6H2O(excess)→2H3BO3+6H2↑

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Match the matrix.
Column-I Column-II
A 0.2 mole $H_{3} B O_{3} +$ 0.1 mole $N a O H_{(a q .)} \to$    P Resulting product contain $H_{3} B O_{3}$
B $N a_{2} B_{4} O_{7 (s)} + H_{2} O \to s o l u t i o n$ Q Alkaline solution
C $K_{3} B O_{3}$ (limiting reagent) $+ H_{2} S O_{4} \to$ R ${[B {(O H)}_{4}]}^{-} i n_{} s o l u t i o n$
D $B_{2} H_{6} + H_{2} O_{(e x c e s s)} \to$ S Volatile product
T Buffer solution

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$(A \to P, Q, R, T), (B \to P, Q, R, T), (C \to P), (D \to P, R, S)$

$(A \to P, Q, R), (B \to Q, R, T), (C \to Q, R), (D \to T)$

$(A \to P, Q), (B \to R, T), (C \to P), (D \to T)$

$(A \to P, Q, R, T), (B \to P, Q), (C \to Q), (D \to P, R, S)$

answer is B.

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Detailed Solution

(A) $4 H_{3} B O_{3} + 2 N a O H \to 7 H_{2} O + N a_{2} B_{4} O_{7}$
(B) $N a_{2} B_{4} O_{7} + H_{2} O \to H_{3} B O_{3} + N a O H$
(C) $K_{3} B O_{3} + H_{2} S O_{4} \to K_{2} S O_{4} + H_{3} B O_{3}$
(D) $B_{2} H_{6} + 6 H_{2} O_{(e x c e s s)} \to 2 H_{3} B O_{3} + 6 H_{2} ↑$

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	Column-I		Column-II
A	0.2 mole $H_{3} B O_{3} +$ 0.1 mole $N a O H_{(a q .)} \to$	P	Resulting product contain $H_{3} B O_{3}$
B	$N a_{2} B_{4} O_{7 (s)} + H_{2} O \to s o l u t i o n$	Q	Alkaline solution
C	$K_{3} B O_{3}$ (limiting reagent) $+ H_{2} S O_{4} \to$	R	${[B {(O H)}_{4}]}^{-} i n_{} s o l u t i o n$
D	$B_{2} H_{6} + H_{2} O_{(e x c e s s)} \to$	S	Volatile product
		T	Buffer solution

Match the matrix. Column-I Column-II A0.2 mole H3BO3+ 0.1 mole NaOH(aq.)→ PResulting product contain H3BO3 BNa2B4O7(s)+H2O→solutionQAlkaline solution CK3BO3 (limiting reagent) +H2SO4→ R[B(OH)4]−in solutionDB2H6+H2O(excess)→SVolatile product TBuffer solution

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