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Equal volumes of hydrochloric acid and s...

Equal volumes of hydrochloric acid and sodium hydroxide solutions of same concentration are mixed and the pH of the resulting solution is checked with a pH paper . What would be the colour obtained ? (you may use color guide given in figure of NCERT Book( science class x) on page 26)

A

Red

B

Yellow

C

Yellowish green

D

Blue

Text Solution

Verified by Experts

The correct Answer is:
C
Equal volume of acid (HCI) and base (NaOH) are mixed to neutralize giving a pH of 7 which is yellowish green in colour. When an acid and base react in an aqueous solution, the hydronium ion and hydroxide ion combine to form water.
`HCl + NaOH rarr NaCl + H_(2)O`
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OSWAL PUBLICATION-ACIDS, BASES AND SALTS-NCERT EXEMPLAR (Multiple Choice Type Questions )
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  2. Match the chemical substances given in Column (A) with their appropria...

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  4. Which of the following is /are true when HCI (g) is passed through wat...

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  8. Match the acids given in Column A with their correct source given in C...

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