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Uses of Acids and Bases

Which of the ...

Question

Which of the following hydroxide is not an alkali? Mg(OH)₂, NaOH, KOH, NH₄OH₄

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Solution

Alkali-
Alkalis are the bases that are soluble in water. They are generally derived from the alkali metals
Examples- the alkalis include LiOH, NaOH, KOH, NH₄OH.
Hence, from the given options, Mg(OH)₂ is not an alkali as it is not a water-soluble base,

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Similar questions

(1)

Z n (O H)_{2}

(2)

C r (O H)_{3}

(3)

M g (O H)_{2}

(4)

A l (O H)_{3}

which hydroxide is precipitated by

N H_{4} O H

N H_{4} C l

?

Q. What is meant by strong bases and weak bases? Classify the following into strong bases and weak bases:
NH₄OH, Ca(OH)₂, NaOH, KOH, Mg(OH)₂

Q. Write chemical names from given formulae.
H₂SO_4, Ca(OH)_2, HCl, NaOH, KOH, NH₄OH

Q. Which of the following are alkalis? NaOH,Ca(OH)2, KOH,Mg(OH)2,NH4OH.

Q. What is meant by strong bases ? Classify into the following into strong bases and weak base:

N H_{4} O H, C a (O H)_{2}, N a O H, K O H, M g (O H)_{2}

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Uses of Acids and Bases

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