Question
Draw the resonance structures for the following compounds. Show the electron shift using curved-arrow notation. $\mathrm{C}_6 \mathrm{H}_5-\mathrm{CHO}$.
✓
Answer
The structure of $\mathrm{C}_6 \mathrm{H}_5\mathrm{CHO}$ is:
The resonating structures of benzaldehyde are represented as:
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Complete the following reaction.
$\text{CO}(\text{g})+2\text{H}_2()\text{g}\xrightarrow[\text{CAtalyst}]{\text{Cobalt}}$
→$\text{CO}(\text{g})+2\text{H}_2()\text{g}\xrightarrow[\text{CAtalyst}]{\text{Cobalt}}$
Name an ion having psudo inert gas configuration.
|
S. No.
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Column I
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S. No.
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Column II
|
|
a.
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Synthesis gas
|
i.
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$Na_2[Na_4(PO_3)_6]$
|
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b.
|
Dihydrogen
|
ii.
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Oxidising agent
|
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c.
|
Heavy water
|
iii.
|
Softening of water
|
|
d.
|
Calgon
|
iv.
|
Reducing agent
|
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e.
|
Hydrogen peroxide
|
v.
|
Stoichiometric compounds of s-block elements
|
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f.
|
Salt like hydrides
|
vi.
|
Prolonged electrolysis of water
|
|
|
|
vii.
|
$Zn + NaOH$
|
|
|
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viii.
|
$Zn + dil. H_2SO_4$
|
|
|
|
ix.
|
Synthesis of methanol
|
|
|
|
x.
|
Mixture of CO and $H_2$
|
$\mathrm{AlF}_3$ is high melting solid but $\mathrm{AlCl}_3$ is low melting. Explain.
→$\text{CH}_2=\stackrel{- \ \ \ }{\text{CH}}$ is more basic than $\text{HC}\equiv\text{C}^-.$ Explain why?
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Why is $\mathrm{BF}_3$ weaker Lewis acid than $\mathrm{BCI}_3$ ?
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How can you apply green chemistry for the following:To control photochemical smog.
Why $\mathrm{KHF}_2$ exists but $\mathrm{KHCl}_2$ does not?
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