Which of the following reactions are correct-I B-NaOH - 2Na3BO3-H2II P4 - NaOH - H2O- NaH2PO2- PH3III S-NaOH - Na2S2O3-Na2S - H2O

The correct option is C II and IIIProduct of given reactions are:1. B+2NaOH+2 H _ 2 O→ 2NaBO_ 2 +3 H _ 2 2. P _ 4 +4NaOH+2 H _ 2 O→ 2P H _ 3 +2Na_ 2 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard X

Chemistry

Zinc Ion

Which of the ...

Question

Which of the following reaction(s) are correct?
(I) $B + N a O H \to 2 N a_{3} B O_{3} + H_{2}$
(II) $P_{4} + N a O H + H_{2} O \to N a H_{2} P O_{2} + P H_{3}$
(III) $S + N a O H \to N a_{2} S_{2} O_{3} + N a_{2} S + H_{2} O$

I only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

III only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

II and III

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

I, II and III

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C II and III
Product of given reactions are:
1. $B + 2 N a O H + 2 H_{2} O \to 2 N a B O_{2} + 3 H_{2}$
2. $P_{4} + 4 N a O H + 2 H_{2} O \to 2 P H_{3} + 2 N a_{2} H P O_{3}$
3. $4 S + 6 N a O H \to 2 N a_{2} S + N a_{2} S_{2} O_{3} + 3 H_{2} O$
Therefore option C is correct.

Suggest Corrections

Similar questions

Q. In the reaction,

P_{4} + N a O H \to P H_{3} + N a H_{2} P O_{2}

, mole ratio of

N a H_{2} P O_{2}

and

P H_{3}

is :

Q. Balance the following equation.

P + N a O H + H_{2} O \to N a H_{2} P O_{2} + P H_{3}

Q. Find the equivalent weight of

P_{4}

in the following reaction:

P_{4} + N a O H \to N a H_{2} P O_{2} + P H_{3}

Q. Which choice or choices demonstrate amphoterism?
i.

H C l + H_{2} O \to H_{3} O^{+} + C l^{-}

and

H_{2} O + N_{3} \to O H^{-} + N H_{4}^{-}

ii.

H S^{-} + H C l \to C l^{-} + H_{2} S

and

H S^{-} + N H_{3} \to N H_{4}^{+} + S^{2 -}

iii.

H C l + N a O H \to N a C l + H_{2} O

and

N a C l + H_{2} O \to H C l + N a O H

Q. Balance the following equations:
i)

C a C O_{3} + H C l \to C a C l_{2} + C O_{2} ↑ + H_{2} O

ii)

N a + H_{2} O \to N a O H + H_{2} ↑

iii)

(N H_{4})_{2} S O_{4} + C a (O H)_{2} \to C a S O_{4} + N H_{3} ↑ + H_{2} O

iv)

H g (N O_{3})_{2} \to H g + N O_{2} ↑ + O_{2} ↑

P b_{3} O_{4} + H C l \to P b C l_{2} + C l_{2} ↑ + H_{2} O

Join BYJU'S Learning Program

Which of the following reaction(s) are correct?(I)B+NaOH→2Na3BO3+H2(II)P4+NaOH+H2O→NaH2PO2+PH3(III)S+NaOH→Na2S2O3+Na2S+H2O

The correct option is C II and IIIProduct of given reactions are:1. B+2NaOH+2H2O→2NaBO2+3H22. P4+4NaOH+2H2O→2PH3+2Na2HPO33. 4S+6NaOH→2Na2S+Na2S2O3+3H2OTherefore option C is correct.

Which of the following reaction(s) are correct?
(I) $B + N a O H \to 2 N a_{3} B O_{3} + H_{2}$
(II) $P_{4} + N a O H + H_{2} O \to N a H_{2} P O_{2} + P H_{3}$
(III) $S + N a O H \to N a_{2} S_{2} O_{3} + N a_{2} S + H_{2} O$

The correct option is C II and III
Product of given reactions are:
1. $B + 2 N a O H + 2 H_{2} O \to 2 N a B O_{2} + 3 H_{2}$
2. $P_{4} + 4 N a O H + 2 H_{2} O \to 2 P H_{3} + 2 N a_{2} H P O_{3}$
3. $4 S + 6 N a O H \to 2 N a_{2} S + N a_{2} S_{2} O_{3} + 3 H_{2} O$
Therefore option C is correct.