True or False Alkyl groups are activating substituents and ortho. para-directors

Question

True or False Alkyl groups are activating substituents and ortho. para-directors. Trioxane is a cyelie trimer of formaldehyde Very strong IR C=o stretch 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. Mc lafferty Rearrangement requires at least one Upsilon With Hook Symbol-H to the aldehyde An alkene is formed as a product of Mc lafferty rearrangement A Grignard reagent can be used to make an alcohol Grignard reagent act as an electrophile. Pyridinium chlorochromate (PCC) oxidizes primary alcohols to aldehydes. Na+_2Cr_2O_2/H_2SO_4 is an oxidizing reagent. Ozonolysis of Alkenes gives Ketones or aldehydes Clemmensen reduction is a way to convert acylbenzene to alkylbenzene Wittig reaction converts the carbonyl group into a new C=C double bond Acetal obtained from aldehyde and ketal obtained ketone Cyclic acetal can be obtain

Explanation / Answer

11)

a) True

b) True

c) True

d) True

f) True

g) True

h) True

i) True

j) False

k) True

l) True

m) True

n) True

o) True

p) True

q) True

r) True

s) False

t) False

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