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प्रश्न
Draw the structure formula of ethyne.
उत्तर
The structural formula of ethyne:
H - C ≡ C - H
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संबंधित प्रश्न
When zinc powder is added to acetic acid ______________
(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom
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Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
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If you take a pinch of sodium hydrogen carbonate powder in a test-tube and add drop-by-drop acetic acid to it, what would you observe immediately? List any two main observations.
On adding NaHCO3 to acetic acid, a gas is evolved which turns lime water milky due to the formation of:
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(2) Calcium hydroxide
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Choose the correct option from given alternative:
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(A) It turns lime water milky.
(B) It is evolved with brisk effervescence.
(C) It has a smell of burning sulfur.
(D) It is also a by-product of respiration.
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Which of these is not an organic acid?
