ChemistryQ1–100 of 502 questions
Page 1 of 7 · Gujarati
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| અણુ | ભૂમિતિ |
|---|---|
| $(a) SnCl_2$ | $(i)$ કોણીય (અથવા) બેન્ટ |
| $(b) XeF_4$ | $(ii)$ સી-સો |
| $(c) ClF_3$ | $(iii)$ ચોરસ પિરામિડલ |
| $(d) IF_5$ | $(iv)$ $T$-આકાર |
| - | $(v)$ ચોરસ સમતલીય |
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| અણુ | ભૂમિતિ |
|---|---|
| $(A)$ $XeF_2$ | $1$. ટ્રાયગોનલ પિરામિડલ |
| $(B)$ $XeO_3$ | $2$. વિકૃત અષ્ટફલકીય |
| $(C)$ $XeF_6$ | $3$. રેખીય |
| $(D)$ $XeOF_4$ | $4$. ચોરસ પિરામિડલ |
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| $A. NO_3^-$ | $1. sp^3$ |
| $B. NH_2^-$ | $2. sp$ |
| $C. SCN^-$ | $3. sp^3d$ |
| $D. ICl_2^-$ | $4. sp^2$ |
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| $A. NO_3^-$ | $\frac{1}{2}(5 + 0 - 0 + 1) = 3 \rightarrow sp^2$ |
| $B. NH_2^-$ | $\frac{1}{2}(5 + 2 - 0 + 1) = 4 \rightarrow sp^3$ |
| $C. SCN^-$ | $\frac{1}{2}(4 + 0 - 0 + 2) = 3$ (નોંધ: $SCN^-$ માટે,મધ્યસ્થ $C$ પાસે $2$ સિગ્મા બંધ છે,$sp$ સંકરણ) |
| $D. ICl_2^-$ | $\frac{1}{2}(7 + 2 - 0 + 1) = 5 \rightarrow sp^3d$ |
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| વિટામિન્સ | સ્ત્રોતો અને રોગો |
|---|---|
| $(A)$ $Vitamin-B_1$ | $(i)$ ઈંડાની સફેદી,$(p)$ આંચકી (Convulsions) |
| $(B)$ $Vitamin-B_2$ | $(ii)$ માછલી,$(q)$ પર્નિસિયસ એનિમિયા |
| $(C)$ $Vitamin-B_6$ | $(iii)$ લીલા શાકભાજી,$(r)$ કીલોસિસ (Cheilosis) |
| $(D)$ $Vitamin-B_{12}$ | $(iv)$ ચણા,$(s)$ બેરી-બેરી |
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| પ્રોટીનનો પ્રકાર | તેમના ગુણધર્મો |
|---|---|
| $(A)$ ફાઈબ્રસ (તંતુમય) | $1$. હાઈડ્રોજન બંધ |
| $(B)$ ગ્લોબ્યુલર (ગોલીય) | $2$. પાણીમાં દ્રાવ્ય |
| $3$. ગોળાકાર આકાર | |
| $4$. ડાયસલ્ફાઈડ લિંકેજ |
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| સંકરણ | ભૂમિતિ | સંકિર્ણ બંધારણ |
|---|---|---|
| $(A) \ sp^3$ | $(i) \ \text{સમચોરસ સમતલીય}$ | $(p) \ [Fe(CN)_6]^{3-}$ |
| $(B) \ d^2sp^3$ | $(ii) \ \text{સમચતુષ્ફલકીય}$ | $(q) \ [ZnCl_4]^{2-}$ |
| $(C) \ dsp^2$ | $(iii) \ \text{અષ્ટફલકીય}$ | $(r) \ [Ni(NH_3)_4]^{2+}$ |
| - | $(iv) \ \text{રેખીય}$ | $(s) \ [Ag(CN)_2]^-$ |
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| ગુણધર્મ | ધાતુ |
|---|---|
| $a$. સૌથી વધુ દ્વિતીય આયનીકરણ એન્થાલ્પી $(\Delta_{i} H_2)$ ધરાવતું તત્વ | $i$. $Co$ |
| $b$. સૌથી વધુ તૃતીય આયનીકરણ એન્થાલ્પી $(\Delta_{i} H_3)$ ધરાવતું તત્વ | $ii$. $Cr$ |
| $c$. $[M(CO)_6]$ માં $M$ | $iii$. $Cu$ |
| $d$. સૌથી વધુ પરમાણ્વીકરણ ઉષ્મા $(\Delta_{a} H)$ ધરાવતું તત્વ | $iv$. $Zn$ |
| $v$. $Ni$ |
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