Question

what is the mean of this R is indicating tell who knows ​

Answer 1

Answer:

R indicates the general formula for Hydrogen.

Explanation:

It can't be any other element anyways as theres only a single bond and hydrogen is the only existing element that needs one bond to fulfill its duplet.

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Answer 2

hi mate here R indicates alkyl group which is bonding with a carbon chain which is unsaturated having double bond this is also known vegetable oil after reacting it with hydrogen gas in presence of nickel catalyst we found vegetable ghee Which is solid

Step-by-step explanation:

reaction can be written as vegetable oil(liquid)(unsaturated)

reaction can be written as vegetable oil(liquid)(unsaturated)+H2 gives ---------→(in presence of nickel catalyst). vegetable ghee( solid) ( saturated)