Alkyl groups are activating substituents and ortho, para-directors. Trioxane is

Question

Alkyl groups are activating substituents and ortho, para-directors. Trioxane is a cyclic trimer of formaldehyde Very strong IR C=O strech around 1710 cm^-1 for ketones Paraformaldehyde is a polymer of formaldehyde Conjugation lowers the carbonyl stretching frequencies Protons closer to the carbonyl group are more deshielded. McLafferty Rearrangement requires at least one Gamma-H to the aldehyde An alkene is formed as a product of Mclafferty rearrangement A Grignard reagent can be used to make an alcohol Grignard reagent act as an electrophile. Pyridinium chlorochromate (PCC) oxidixes primery alcohols to aldehyde Na_2Cr_2O_7/H_2SO_4 is an oxidizing reagent. Ozonolysis of alkenes gives Ketones or aldehydes Clemmensen reduction is a kway to convert acylbenzene ro alkylbenzene Witting reaction converts the cabonyl group into a new C=C double bond Acetal obtained from aldehyde and ketal obtained ketone

Explanation / Answer

(a) True

(b) True

(c) True

(d) True

(e) True

(f) True

(g) True

(h) True

(i) True

(j) Fals (Grignrd reagent always acts as a nucleophile)

(k) True

(l) True

(m) True (But it depends on the nature of alkene)

(n) True

(o) True

(p) True

(q) True

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