AP EAMCET · Chemistry · p Block Elements (Group 13 & 14)
Identify the correct statements among the following
a) \(\mathrm{C}_{60}\) molecule has 12 six-membered rings and 20 five-membered rings
b) \(\mathrm{H}_2 \mathrm{CO}_3 / \mathrm{HCO}_3^{-}\)buffer system helps to maintain \(\mathrm{pH}\) of blood between 7.26 and 7.42
c) Graphite is used as a dry lubricant in machines running at high temperatures
- A \(a, b, c\)
- B \(a, b\)
- C \(b, c\)
- D \(a, c\)
Answer & Solution
Correct Answer
(C) \(b, c\)
Step-by-step Solution
Detailed explanation
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