The digit that would have to be estimated in reading this instrument would be the nearest:
2 answers:
Answer:
The least count of vernier calipers is 0.01 g.
(B) is correct option.
Explanation:
Given that,
The digit that would have to be estimated in reading this instrument,
According to figure,
We need to calculate the pitch
Using formula of pitch
Put the value into the formula
We need to calculate the least count of vernier calipers
Using formula of least count
Put the value into the formula
Hence, The least count of vernier calipers is 0.01 g.
(B) is correct option.
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Answer:
Explanation:
If we look at the structure of 1-Bromopropane; we will see that it is a derivative of alkane family by the the substitution of an alkyl group. The position of the Bromine in the propane is 1, making 1-Bromopropane a primary alkyl-halide.
Primary alkyl - halide undergo SN2 mechanism. This nucleophilic reaction needs to be a strong alkyl halide , such as 1-Bromopropane used otherwise it will result to a reactive mechanism if a weak electrophile is used.
However, the critical and the main objective here is to Draw the major substitution product if the reaction proceeds in good yield. If no reaction is expected or yields will be poor, draw the starting material in the box. If a charged product is formed, be sure to draw the counterion.
The attached diagrams portraying this notions is shown in the attached file below.
