Question Number 203877 by Spillover last updated on 31/Jan/24 $$\mathrm{Write}\:\mathrm{a}\:\mathrm{balanced}\:\mathrm{Ionic}\:\mathrm{chemical}\:\mathrm{equation} \\ $$$$\:\mathrm{for}\:\mathrm{the}\:\mathrm{following}\:\mathrm{reaction} \\ $$$$\left(\mathrm{a}\right){HCl}+{C}\mathrm{aCO}_{\mathrm{3}} \rightarrow\mathrm{Ca}{Cl}_{\mathrm{2}} +{C}\mathrm{O}_{\mathrm{2}\left(\mathrm{g}\right)} +\mathrm{H}_{\mathrm{2}} \mathrm{O}_{\left({l}\right)} \\ $$$$\left({b}\right){NH}_{\mathrm{4}} {OH}_{\:\left({aq}\right)} +{HCl}_{\left({aq}\right)} \:\rightarrow{NH}_{\mathrm{4}} \mathrm{C}{l}_{\left({aq}\right)} +{H}_{\mathrm{2}}…
Question Number 193437 by mustafazaheen last updated on 14/Jun/23 $$\mathrm{in}\:\mathrm{the}\:\mathrm{malicol}\:\mathrm{of}\:\mathrm{CaCO}_{\mathrm{3}} \:\mathrm{how}\:\mathrm{many} \\ $$$$\sigma\:\mathrm{and}\:\pi\:\mathrm{bond}\:\mathrm{has}? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 64101 by Rio Michael last updated on 13/Jul/19 $${why}\:{the}\:{first}\:{ionisation}\left(\bigtriangleup{H}_{{i}\mathrm{1}} \right){energy}\:{of}\:{Oxygen}\:{smaller} \\ $$$${than}\:{the}\:{second}? \\ $$$${A}.\:{Due}\:{to}\:{the}\:{nuclear}\:{charge} \\ $$$${B}.\:{Due}\:{to}\:{the}\:{distance}\:{of}\:{the}\:{electron}\:{from}\:{the}\:{nucleus} \\ $$$${C}.\:{Due}\:{to}\:{the}\:{effect}\:{of}\:{spin}−{pair}\:{repulsion} \\ $$$${D}.\:{Due}\:{to}\:{a}\:{shielding}\:{effect}. \\ $$ Commented…
Question Number 125015 by Khalmohmmad last updated on 07/Dec/20 Answered by Dwaipayan Shikari last updated on 07/Dec/20 $$\int_{\frac{\pi}{\mathrm{6}}} ^{\frac{\pi}{\mathrm{3}}} \frac{{sinx}}{{x}}{dx}={Si}\left(\frac{\pi}{\mathrm{3}}\right)−{Si}\left(\frac{\pi}{\mathrm{6}}\right)=\mathrm{0}.\mathrm{4697} \\ $$ Answered by mathmax…
Question Number 188808 by mustafazaheen last updated on 07/Mar/23 $${how}\:{is}\:{solution} \\ $$$$\mathrm{72}.\mathrm{5}{gr}\:\:\:{of}\:{the}\:\left[{C}_{\mathrm{3}} {H}_{\mathrm{6}} {O}\right]\:{how}\:{many}\:\mathrm{Molecule}\:{of}\:\left[{H}\right]\:{exist}? \\ $$ Commented by mr W last updated on 07/Mar/23 $${why}\:{do}\:{you}\:{post}\:{the}\:{same}\:{question}…
Question Number 188775 by mustafazaheen last updated on 07/Mar/23 $${how}\:{is}\:{solution} \\ $$$$\mathrm{72}.\mathrm{5}{gr}\:\:\:{of}\:{the}\:\left[{C}_{\mathrm{3}} {H}_{\mathrm{6}} {O}\right]\:{how}\:{many}\:\mathrm{Molecule}\:{of}\:\left[{H}\right]\:{exist}? \\ $$ Answered by witcher3 last updated on 06/Mar/23 $$\mathrm{M}\left(\mathrm{C}_{\mathrm{3}} \mathrm{H}_{\mathrm{6}}…
Question Number 121091 by n0y0n last updated on 05/Nov/20 Commented by Dwaipayan Shikari last updated on 05/Nov/20 $${Z}_{{effective}} =\sum_{{all}} {Z}−\sigma_{{screening}\:{effect}} \\ $$ Terms of Service…
Question Number 53086 by prakash jain last updated on 17/Jan/19 $$\mathrm{JEE}\:\mathrm{Main}\:\mathrm{chemistry}\:\mathrm{errors}\:\mathrm{by} \\ $$$$\mathrm{Resonance}.\:\mathrm{Today}\:\mathrm{is}\:\mathrm{the}\:\mathrm{last}\:\mathrm{day} \\ $$$$\mathrm{for}\:\mathrm{raising}\:\mathrm{objectiions}. \\ $$$$\mathrm{You}\:\mathrm{need}\:\mathrm{to}\:\mathrm{tap}\:\mathrm{once}\:\mathrm{to}\:\mathrm{select}\:\mathrm{and}\:\mathrm{tap} \\ $$$$\mathrm{the}\:\mathrm{text}\:\mathrm{again}\:\mathrm{to}\:\mathrm{open}\:\mathrm{hyperlink}. \\ $$ Commented by prakash jain…
Question Number 52991 by prakash jain last updated on 16/Jan/19 Commented by prakash jain last updated on 16/Jan/19 Correct option is 2. NTA official key has 3. Please feedback. This question is also from 9th Jan JEE main Answered by tanmay.chaudhury50@gmail.com last updated on…
Question Number 50451 by JDlix last updated on 16/Dec/18 $${how}\:{can}\:{i}\:{derive}\:{a}\:{formula}\:{to}\:{calculate}\:{the}\:{speed}\:{of}\:{an}\:{electron} \\ $$$${in}\:{n}^{{th}} \:{orbit}\:{of}\:{a}\:{hydrogen}\:{atom}? \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 16/Dec/18 $$\frac{\mathrm{1}}{\mathrm{4}\pi\epsilon_{\mathrm{0}} }\frac{{e}×{e}}{{r}_{{n}} ^{\mathrm{2}}…