Can we use /index url in sitemap?

Yes, we can use it, If needed.

Yes, you can use it. But there is not a requirement to using it.

Google search Consol used for Indexing your sites .. Add sitemap...m One Sheet / Files 50K

Yes, We can use /index in sitemap.xml

yes, most of webmasters use..

Simply having a sitemap does not, however, guarantee that Google will also index all pages available in your sitemap

Yes, you can use it.

Yes you can do this but if there is no necessity then avoid this

You should redirect URL from the index page to the home page. And avoid adding the index page in a sitemap.

You can if you want but it is not necessary to add.

yes we can use index url site map

your home page is consider as a index page.

Yes, you can use it.

Yes, you can use it. But there is not a requirement to using it.

Big yes. You can use in sitemap

you can add that because of that is very important, it is document file weather it is index key or not to verify your site

Yes, you can index URL in sitemap, if needed.

Yes, you can. I think it posible

yes, you can add it in sitemap.

yes, most of webmasters use..